diff --git a/package.json b/package.json
index 2d0fcb5..7524356 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "dependencies": {
     "async": "^1.4.2",
-    "eventsource": "^0.1.6",
+    "eventsource": "^1.0.0",
     "lodash.last": "^3.0.0",
     "lodash.mapvalues": "^4.6.0",
     "lodash.sum": "^4.0.0",